Last seen: Aug 4, 2025
@caroline2000 You need to set the controller to run on a weather compensation curve of about 20 Deg C flow temperature at ambient 18 Deg C and 45 deg ...
@jeff Based on those figures, I am drastically undercharging!!
@markc I can guaranty that your pipework will be wrong. Installing these valves it is the equivalent of driving your car with a potato up its exhaust ...
@batalto Have you turned your thermostats and TRV's up full?
@batalto Turn all your TRV's or thermostats up to max, then switch it off and on again, and it will work.
@markc The installers put buffer tanks in to stop low flow errors occurring with their badly designed heating systems. It covers their inadequacies, a...
@derek-m You are correct for old fixed compressor units. Most manufacturers recommend 10 litres per KW from flowing volume for a heat pump. Most new i...
@markc That valve you have there is a low flow high-temperature valve, you are throttling your system, effectively it cannot breathe. You need to chan...
@markc You are right, I think Mars needs to organize the forum a bit better.
@batalto As Suspected, It is a fit and forget configuration designed by Freedom Heat Pumps to prevent call backs due to the inability of their install...
Actually there has been little change from prior to MCS being launced appart from an indcrease in the price of installations by 2000-3000 pounds, ther...
@editor Actually Mars, it would make more financial sense to get your system fixed, you would not drive your car with flat tyres. There is not much ...
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RE: Help me keep the faith with my air source heat pump installation
OK. Could you post a recording. You may just hear the...
By JamesPa , 12 minutes ago
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I think most people that have read this case will agree...
By Mars , 13 minutes ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
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By Scalextrix , 1 hour ago
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I agree with @jamespa. If you are not using the tank ...
By Old_Scientist , 5 hours ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 22 hours ago
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 1 day ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 2 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 2 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 2 days ago
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RE: Who’s Caved and Switched the Heating On Already?
@allyfish Dogs have owners - Cats keep staff. You are o...
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 2 days ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 2 days ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 3 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 3 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
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RE: Anyone still weathering it out with Agile?
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RE: 300 Liter Tank - Do I have to heat it all?
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By Transparent , 4 days ago